25396280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6977}}^1$

素因数の和:7008

約数の個数: 64

約数和(自身を含む): 70338240

約数和(自身を除く): 44941960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 6977, 13954, 27908, 34885, 48839, 55816, 69770, 90701, 97678, 139540, 181402, 195356, 244195, 279080, 362804, 390712, 453505, 488390, 634907, 725608, 907010, 976780, 1269814, 1814020, 1953560, 2539628, 3174535, 3628040, 5079256, 6349070, 12698140, 25396280]

約数ペア:

[(1, 25396280), (2, 12698140), (4, 6349070), (5, 5079256), (7, 3628040), (8, 3174535), (10, 2539628), (13, 1953560), (14, 1814020), (20, 1269814), (26, 976780), (28, 907010), (35, 725608), (40, 634907), (52, 488390), (56, 453505), (65, 390712), (70, 362804), (91, 279080), (104, 244195), (130, 195356), (140, 181402), (182, 139540), (260, 97678), (280, 90701), (364, 69770), (455, 55816), (520, 48839), (728, 34885), (910, 27908), (1820, 13954), (3640, 6977)]